Hello, Ava! Empowered Dream instructs the player to take a card, perform one of its dream types, and then discard it (you never add the chosen card to your REM stack). You can think of Empowered Dream as sort of a limited wild card, or a mimic--similar to how Collective Dream will let you play the top card of an opponent's REM stack, Empowered Dream lets you play (and discard) a card from the Dreamscape. So if you play Empowered Dream and use it to play Recurring Dream, Empowered Dream is simply mimicking that dream type. Your stack would technically look like this: